And neither Arch, nor Ubuntu, nor Debian, nor OpenSUSE, nor any other distro using systemd belongs to IBM.

Where did I say they belong to IBM?

Sure, the centralization is pretty damn bad. But for example replacing sudo is needed.

We already have doas, which is such a simple codebase I’d have a hard time imagining it contains a bug that leads to setuid being a problem. run0’s codebase size on the other hand…